@incollection{JEDP_1987____A12_0,
     author = {Chemin, Jean-Yves},
     title = {Interactions totalement non lin\'eaires},
     booktitle = {},
     series = {Journ\'ees \'equations aux d\'eriv\'ees partielles},
     eid = {12},
     pages = {1--8},
     publisher = {Ecole polytechnique},
     year = {1987},
     mrnumber = {89c:35109},
     zbl = {0654.35064},
     language = {fr},
     url = {http://archive.numdam.org/item/JEDP_1987____A12_0/}
}